Secure Full-Duplex Two-Way Relaying for SWIPT

Okandeji, Alexander A.; Khandaker, Muhammad R. A.; Wong, Kai-Kit; Zheng, Gan; Zhang, Yangyang; Zheng, Zhongbin

doi:10.1109/lwc.2017.2776928

Cited by 13 publications

(18 citation statements)

References 21 publications

(36 reference statements)

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“…Unfortunately, (P1) is a non-convex optimization problem with respect to the optimization variables (p a , p u , Q) and cannot be easily solved directly. However, using a sequential and iterative technique under a block coordinate approach, we can obtain suboptimal solutions that satisfy the constraints in (4) and (7).…”

Section: System Modelmentioning

confidence: 99%

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UAV-Aided Jamming for Secure Ground Communication With Unknown Eavesdropper Location

Nnamani

Khandaker²,

Sellathurai

2020

IEEE Access

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This paper investigates unmanned aerial vehicle (UAV)-aided jamming technique for enabling physical layer keyless security in scenarios where the exact eavesdropper location is unknown. We assume that the unknown eavesdropper location is within an ellipse characterizing the coverage region of the transmitter. By sequentially optimizing the transmit power, the flight path of the UAV and its jamming power, we aim at maximizing the average secrecy rate with arbitrary eavesdropper location. Simulation results demonstrate that the optimal flight path obtains better secrecy rate performance compared to that using direct UAV flight path encasing the transmitter and the legitimate receiver. Most importantly, even with the unknown eavesdropper location, we obtained a secrecy rate that is comparable to a scenario when the eavesdropper's location is known. However, the average secrecy rate with the unknown eavesdropper location varies depending on the proximity of the eavesdropper to the known location of the transmitter. We also observe that due to the UAV-aided jamming, the average secrecy rate stabilizes at some point even though the average received envelope power of the eavesdropper increases. This essentially demonstrates the effectiveness of the proposed scheme.

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Section: System Modelmentioning

confidence: 99%

“…Developing novel security measures to combat such attacks is therefore of prime interest for many researchers. In this context, the notion of physical layer security has attracted significant attention due to its ability to provide information-theoretic security [4]- [7].…”

Section: Introductionmentioning

confidence: 99%

UAV-Aided Jamming for Secure Ground Communication With Unknown Eavesdropper Location

Nnamani

Khandaker²,

Sellathurai

2020

IEEE Access

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“…Despite these advances, however, there is still a lack in research on PLS of full-duplex two-way relay (FD-TWR) networks with SWIPT. As an extension of [33], we consider the scenario where all legitimate nodes may be eavesdropped. Specifically, two FD source nodes communicate with each other with the aid of an EH relay in the presence of an eavesdropping node.…”

Section: A Contributionmentioning

confidence: 99%

“…The exact or inexact minorization-maximization methods were developed to solve the sum secrecy rate maximization problem. In [33], it considered the scenario that only the signal of relay node could be eavesdropped, and minimized the total transmit power by an algorithm based on semidefinite programming and 1-D search.…”

Section: Introductionmentioning

confidence: 99%

Secure Beamforming in Full-Duplex Two-Way Relay Networks With SWIPT for Multimedia Transmission

Liu

et al. 2020

IEEE Access

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With the advent of 5G, multimedia services in wireless communication networks will grow dramatically. So far, many researches have focused on improving security, throughput and channel capacity to support multimedia services. In this paper, a new system model of full-duplex (FD) two-way amplifyand-forward (AF) relay network with simultaneous wireless information and power transfer is presented, where two FD legitimate nodes with two single-antenna communicate with each other via energy-constrained AF relay with multiple antennas, and there is a half-duplex node with single antenna who intends to eavesdrop. This paper targets to maximize the secrecy sum rate of the system by designing the transmit beamforming vector of relay under power constraint and zero-forcing constraint, where two energy harvesting protocols, namely, power splitting and time switching are considered. However the maximization problem is a non-convex optimization, and it is very complex to solve. Therefore a linear method is used to find the lower bound of the secrecy sum rate and the non-convex problem is transformed into a convex optimization problem. After that, an iterative algorithm based on difference-of-convex programming is proposed to solve this convex optimization problem. The simulation results show the good convergence of the proposed iterative algorithm and also the superiority of secrecy sum rate of our proposed scheme compared with two traditional schemes. INDEX TERMS Full duplex, two-way relay, beamforming, energy harvesting, multimedia services.

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“…Besides, physical layer security (PLS) secures information in wireless networks without generating secret keys as in encryption techniques [5], and energy harvesting (EH) aims to extend the lifetime of wireless devices [6]. Therefore, secure EH TWR wireless networks, which concurrently exploit PLS, EH, and TWR, have been receiving considerable attention from both industry and academia [7,8].…”

Section: Introductionmentioning

confidence: 99%

Secrecy outage analysis of energy harvesting two‐way relaying networks with friendly jammer

2019

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Secure Full-Duplex Two-Way Relaying for SWIPT

Cited by 13 publications

References 21 publications

UAV-Aided Jamming for Secure Ground Communication With Unknown Eavesdropper Location

UAV-Aided Jamming for Secure Ground Communication With Unknown Eavesdropper Location

Secure Beamforming in Full-Duplex Two-Way Relay Networks With SWIPT for Multimedia Transmission

Secrecy outage analysis of energy harvesting two‐way relaying networks with friendly jammer

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